CRT1-MD16TAH Omron, CRT1-MD16TAH Datasheet - Page 605
![no-image](/images/manufacturer_photos/0/4/494/omron_sml.jpg)
CRT1-MD16TAH
Manufacturer Part Number
CRT1-MD16TAH
Description
8 In 8 Out NPN 3 Tier
Manufacturer
Omron
Datasheet
1.CRT1-ATT03.pdf
(675 pages)
Specifications of CRT1-MD16TAH
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- Current page: 605 of 675
- Download datasheet (14Mb)
12-2 Troubleshooting
12-2-1 Troubleshooting for Errors Shown by Indicators
Indicators Are Lit or Flashing Red
Troubleshooting
MS indicator is lit red.
MS indicator is flashing
red.
The NS indicator lights
red without flashing
green.
The NS indicator lights
green momentarily and
then changes to red. The
NS indicator lights green
momentarily and then
changes to flashing red.
Problem
• The Slave Unit is malfunctioning. Replace the Slave Unit.
• The Expansion Unit is disconnected. Check the Expansion Unit connection.
• The DIP switch or other setting is illegal. Check the switch settings then restart the Slave
• There is an error in the Slave Unit's EEPROM memory data. Double-click the icon for the
Check the following items, and then restart the Slave Unit with the error.
• The node address has been set out of range or duplicated, or a Repeater Unit configuration
• Make sure that the I/O words allocated to the Slave Unit are not used by any other Slave
• Refer to the next item “The NS indicator lights green momentarily and then changes to red”.
• Replace the Slave Unit if its NS indicator is always lit red.
Check the following items then restart the Slave Unit with the error.
• Check that a Terminating Resistor (121 Ω) is connected to each end of the network's trunk
• Check that all Slave Units are set correctly.
• Check that the communications cable is wired correctly.
• Check that the power supply cable and power supply are wired correctly and that the set-
• Check connector wiring for all nodes to make sure that the communications cable and power
• Check that the communications power is supplied correctly.
• If there are devices in the vicinity that generate noise, take necessary measures against the
• If using an OMRON Master Unit, refer to the manual for that Master Unit if an error has
• Replace the Slave Unit if its NS indicator is always lit red.
Unit.
Slave Unit in the CX-Integrator. The Configuration Window will open. Click the Default Set-
ting Button and then click the Reset Button. Replace the Slave Unit if the MS indicator
keeps flashing red even after the data has been returned to the default settings.
error has occurred. Check all node addresses and check the Repeater Unit configuration
and change the settings if required.
Unit. If the same words are being used by more than one Slave Unit, change the node
address.
line. If the correct Terminating Resistors are not set, connect a Terminating Resistor of
121 Ω.
tings are correct.
supply cables are not disconnected.
noise to protect the Master Unit and Slave Units and the communications cable.
occurred in the Master Unit. If using a Master from another manufacturer, refer to the user's
manual for that product if an error has occurred in the Master.
Cause and possible corrections
Section 12-2
581
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